The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 2023
Filed:
Nov. 23, 2017
Applicant:
Harman International Industries, Incorporated, Stamford, CT (US);
Inventors:
Guoxia Zhang, Shanghai, CN;
Xiangru Bi, Shanghai, CN;
Assignee:
Harman International Industries, Incorporated, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 21/0208 (2013.01); G10L 15/02 (2006.01); G10L 15/16 (2006.01); G10L 21/0272 (2013.01); H04R 1/40 (2006.01); G10L 25/30 (2013.01); H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
G10L 21/0208 (2013.01); G10L 15/02 (2013.01); G10L 15/16 (2013.01); G10L 21/0272 (2013.01); H04R 1/406 (2013.01); H04R 2499/13 (2013.01);
Abstract
A method and a system for speech enhancement including a time synchronization unit configured to synchronize microphone signals sent from at least two microphones; a source separation unit configured to separate the synchronized microphone signals and output a separated speech signal, which corresponds to a speech source; and a noise reduction unit including a feature extraction unit configured to extract a speech feature of the separated speech signal and a neural network configured to receive the speech feature and output a clean speech feature.